Fulfilling the pedestrian protection directive using a long-wavelength infrared camera designed to meet both performance and cost targets

Jan-Erik Källhammer; Håkan Pettersson; Dick Eriksson; Stéphane Junique; Susan Savage; Christian Vieider; Jan Y. Andersson; John Franks; Jan Van Nylen; Hans Vercammen; Terje Kvisterøy; Frank Niklaus; Göran Stemme

doi:10.1117/12.663152

21 April 2006 Fulfilling the pedestrian protection directive using a long-wavelength infrared camera designed to meet both performance and cost targets

Jan-Erik Källhammer, Håkan Pettersson, Dick Eriksson, Stéphane Junique, Susan Savage, Christian Vieider, Jan Y. Andersson, John Franks, Jan Van Nylen, Hans Vercammen, Terje Kvisterøy, Frank Niklaus, Göran Stemme

Author Affiliations +

Proceedings Volume 6198, Photonics in the Automobile II; 619809 (2006) https://doi.org/10.1117/12.663152
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

Pedestrian fatalities are around 15% of the traffic fatalities in Europe. A proposed EU regulation requires the automotive industry to develop technologies that will substantially decrease the risk for Vulnerable Road Users when hit by a vehicle. Automatic Brake Assist systems, activated by a suitable sensor, will reduce the speed of the vehicle before the impact, independent of any driver interaction. Long Wavelength Infrared technology is an ideal candidate for such sensors, but requires a significant cost reduction. The target necessary for automotive serial applications are well below the cost of systems available today. Uncooled bolometer arrays are the most mature technology for Long Wave Infrared with low-cost potential. Analyses show that sensor size and production yield along with vacuum packaging and the optical components are the main cost drivers. A project has been started to design a new Long Wave Infrared system with a ten times cost reduction potential, optimized for the pedestrian protection requirement. It will take advantage of the progress in Micro Electro-Mechanical Systems and Long Wave Infrared optics to keep the cost down. Deployable and pre-impact braking systems can become effective alternatives to passive impact protection systems solutions fulfilling the EU pedestrian protection regulation. Low-cost Long Wave Infrared sensors will be an important enabler to make such systems cost competitive, allowing high market penetration.

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Jan-Erik Källhammer, Håkan Pettersson, Dick Eriksson, Stéphane Junique, Susan Savage, Christian Vieider, Jan Y. Andersson, John Franks, Jan Van Nylen, Hans Vercammen, Terje Kvisterøy, Frank Niklaus, and Göran Stemme "Fulfilling the pedestrian protection directive using a long-wavelength infrared camera designed to meet both performance and cost targets", Proc. SPIE 6198, Photonics in the Automobile II, 619809 (21 April 2006); https://doi.org/10.1117/12.663152

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